Home / 228,009.98-314,685.05-131,211.85

Finding the Fourth Proportional to 228,009.98, 314,685.05 and 131,211.85

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Solution

The fourth proportional to 228,009.98, 314,685.05 and 131,211.85 is: 181,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,009.98 : 314,685.05 = 131,211.85 : x
  2. Step 2: Convert to fraction form
    228,009.98/314,685.05 = 131,211.85/x
  3. Step 3: Cross multiply
    228,009.98x = 314,685.05 × 131,211.85
  4. Step 4: Simplify right side
    228,009.98x = 41,290,407,577.84
  5. Step 5: Solve for x
    x = 41,290,407,577.84/228,009.98
  6. Step 6: Final answer
    x = 181,090.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.